Irwin Tools Unibit #4 3/16-Inch to 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10234)

Analyzed on

761Total Reviews

Brad-Point Drill Bits

C

Company Review Grade:

Irwin Tools

623 Total Products

Irwin Tools Unibit #4 3/16-Inch to 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10234)

Analyzed on

Sold by Irwin Tools

B

Fakespot review grade

B

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Pros & Cons

The AI used to provide these results are constantly improving. These results might change.

Pros

Brian millar espresso-outfitters. Thank you for creating it mfg. Mfg.

Used it to drill holes in my 1970 scout firewall. Great for making nice, clean, accurate holes. On the holes being widened from 1/2 to 1 the ship auger bit (an irwin) lined up on center to widen out the holes.

I build diy guitar effects pedals (stomp boxes) and this drill bit is a game changer. With a hand drill, this cobalt step bit drilled through black pipe many times faster than regular one-size drill bits, cobalt or otherwise.

Cons

Shank is too short. It makes drilling difficult. After drilling starter hole with smaller milwaukee step drill attempted to open hole to 1-1/4 inch with irwin unibit. The so-called 3/4 cutter on this drill bit is not 3-4.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

Nothing makes me quite as happy as quality

Quality cutting oil helps but last longer on steels… so handy and quick work timesaver for drilling and deburring

Shipping

On the holes being widened from 12 to 1 the ship auger bit an irwin lined up on center to widen out the holes

Competitiveness

One tip though is to use a tekton 6580 automatic center punch to start your holes and then use a 18 titanium bit to drill a pil... Read More

Worked very well even with an 18v cordless

This bit worked ok but i got a much better result with a circular hole cutter at 13 the cost

Overview

How are reviewers describing this item?
metal, through, great, needed and drilled.

Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.

Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 111.

Our engine has discovered that over 80% high quality reviews are present.

This product had a total of 761 reviews as of our last analysis date on Aug 11 2022.